As it pushes to implement a plan to end birthright citizenship, the Trump administration is counting on an argument about out-of-control federal judges to prove irresistible to some Supreme Court conservatives.

President Donald Trump is asking the Supreme Court to prop up a January executive order ending birthright citizenship in the United States. The order, which would stop the practice of granting citizenship to children of undocumented immigrants and other noncitizens born in the U.